Greene assumed her current position in March 2014. Prior to being named executive vice president and chief operating officer, Greene was President and Chief Executive Officer of Southern Company Services, Inc. Prior to rejoining Southern Company in April 2013, Greene was executive vice president and chief generation officer of Tennessee Valley Authority (TVA). While at TVA, she served as chief financial officer, executive vice president of financial services and chief risk officer, as well as, group president for strategy and external relations. Greene began her career at Southern Company in 1991 and held positions of increasing responsibility in the areas of engineering, strategy, finance and wholesale marketing, including serving as senior vice president and treasurer of Southern Company Services, Inc. from 2004 to 2007. Born 1966.